S
M
T
W
T
F
S
30
79°
64°
31
82°
64°
1
81°
62°
2
75°
60°
3
73°
63°
4
73°
62°
5
79°
62°
6
81°
63°
7
81°
63°
8
82°
62°
9
81°
62°
10
76°
61°
11
79°
62°
12
81°
61°
13
79°
62°
14
74°
50°
15
69°
51°
16
70°
55°
17
73°
56°
18
68°
49°
19
69°
51°
20
72°
54°
21
74°
57°
22
75°
55°
23
76°
47°
24
68°
49°
25
70°
52°
26
73°
56°
27
72°
52°
28
74°
45°
29
65°
44°
30
64°
47°
1
63°
53°
2
70°
52°
3
71°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Royal Oak
Royal Oak's September 2026 forecast shows daily high temperatures ranging from 63° to 82°, with overnight lows between 44° and 64°. The average high for September is 74° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Royal Oak. See also: October | November | December.
